发明名称 Bending device of a spring forming machine
摘要 A bending device used in a spring forming machine is disclosed to include a vertical rail at the machine frame, an upper slide and a lower slide respectively driven by a respective power source to move along the vertical rail relative each other, an oblique upper holder and an oblique lower holder respectively affixed to the upper slide and the lower slide, and an upper push member and a lower push member respectively driven by a respective power source to move along the oblique upper holder and the oblique lower holder for bending a metal strip into a coiled spring.
申请公布号 US2008173056(A1) 申请公布日期 2008.07.24
申请号 US20070655448 申请日期 2007.01.19
申请人 CHANG YI-SHAN 发明人 CHANG YI-SHAN
分类号 B21F35/02 主分类号 B21F35/02
代理机构 代理人
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